Nasal cannula



FIG. 1 is a front, top perspective view of a nasal cannula;

FIG. 2 is a front elevation view of the nasal cannula of FIG. 1;

FIG. 3 is a rear elevation view of the nasal cannula of FIG. 1;

FIG. 4 is a right side view of the nasal cannula of FIG. 1;

FIG. 5 is a left side view of the nasal cannula of FIG. 1;

FIG. 6 is a top view of the nasal cannula of FIG. 1;

FIG. 7 is a bottom view of the nasal cannula of FIG. 1; and,

FIG. 8 is a bottom, front perspective view of the nasal cannula of FIG. 1.

The curved oblique shade lines represent a translucent or transparent appearance.

The broken lines in the drawings illustrate portions of the nasal cannula that form no part of the claimed design. 

CLAIM The ornamental design for a nasal cannula, as shown and described. 